I do not understand the error this is my code
clear all; %#ok<CLALL>
clc;
syms w1 w2 r1 r2 vc vR1 vR2 mc mR1 mR2 IgR1 IgR2 t z IB IA x vc M y
eqn1=vR1-vc==0;
eqn2=vR1-vR2==0;
eqn3=w1*r1-w2*r2==0;
eqn4=(IgR1+mR1*(r1^2))*w1*r1+mc*w1*r1*x+(3/2)*mR2*(r2^2)*((w1*r1)/r2)-M*t==0;
eqn5=y/t-vc==0;
eqn6=y-3==0;
eqn7=t-3==0;
eqn8=r1-0.03==0;
eqn9=r2-0.005==0;
eqn10=z-0.18==0;
eqn11=mR1-0.008==0;
eqn12=mR2-0.002==0;
eqn13=(1/2)*mR1*(r1^2)-IgR1==0;
eqn14=x-0.05==0;
eqn15=mc-0.05==0;
sol = solve([eqn1, eqn2, eqn3, eqn4, eqn5, eqn6, eqn7, eqn8, eqn9, eqn10, eqn11, eqn12, eqn13, eqn14, eqn15], [w1, w2, r1, r2, vc, vR1, vR2, mc, mR1, mR2, IgR1, IgR2, t, z, IB, IA, x, vc, M, y]);
w1Sol = sol.w1
w2Sol = sol.w2 %#ok<*NOPTS>
MSol = sol.M
this are the results
Error using sym.getEqnsVars>checkVariables (line
87)
Second argument must be a vector of symbolic
variables.
Error in sym.getEqnsVars (line 54)
checkVariables(vars);
Error in solve>getEqns (line 429)
[eqns, vars] = sym.getEqnsVars(argv{:});
Error in solve (line 226)
[eqns,vars,options] = getEqns(varargin{:});
Error in PruebaFinal (line 19)
sol = solve([eqn1, eqn2, eqn3, eqn4, eqn5, eqn6,
eqn7, eqn8, eqn9, eqn10, eqn11, eqn12, eqn13,
eqn14, eqn15], [w1, w2, r1, r2, vc, vR1, vR2,
mc, mR1, mR2, IgR1, IgR2, t, z, IB, IA, x, vc,
M, y]);
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